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| black and red howler (Alouatta belzebul); black-and-red howler monkey (Alouatta belzebul); rufous-handed howler monkey (Alouatta belzebul); rufous-handed howler (Alouatta belzebul) | |||
| black and red howler monkey (Alouatta belzebul) | |||
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| black and red howler (Alouatta belzebul); black-and-red howler monkey (Alouatta belzebul); rufous-handed howler monkey (Alouatta belzebul); rufous-handed howler (Alouatta belzebul) | |||
| black and red howler monkey (Alouatta belzebul) | |||